GCD AI RADAR
incidents/AIR-2025-0394

CVE-2025-21604: File upload conflict vulnerability in LangChain4j-AIDeepin

Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability

LangChain4j-AIDeepin uses MD5 for file hashing which can cause file upload conflicts prior to version 3.5.0. The vulnerability has been resolved in the updated release.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Infrastructure vulnerability
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
owasp llm top 10
mitre atlas
no technique for these categories
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
2 · Disclosed vulnerability
CVE or vendor advisory, patched or patchable, no confirmed exploitation.
targets
Framework / tooling
products
LangChain4j-AIDeepin
incident date
6 Jan 2025
first reported
6 Jan 2025
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
classifier confidence
0.90 · published at or above 0.80; see the methodology
tags
CVE-2025-21604 · rag · insecure-hashing
record
created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z · json

Sources · 1

  1. 2025-01-06
    CVE-2025-21604: LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project.
    NVD · nvd.nist.gov/vuln/detail/CVE-2025-21604

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